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Question 30943
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Fluid Mechanics: Viscosity MCQ

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ViscosityEasyQuestion 30943

Question

Viscosity of a fluid decreases with temperature for:
  1. A
    All fluids
  2. B
    Liquids only
    Correct
  3. C
    Gases only
  4. D
    Solids only

Correct answer

Liquids only

Explanation

In liquids, viscosity decreases with temperature (thermal agitation overcomes intermolecular bonds). In gases, viscosity increases with temperature (more momentum transfer via collisions).

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